US Bridges

NW Elmwood Drive over Dixon Creek

Fair

Benton County, Oregon · 001 Mile W of NW 23rd ST · Structure no. 03C04 000 00000

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
563
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW Elmwood Drive over Dixon Creek is a prestressed concrete slab carrying NW Elmwood Drive over Dixon Creek in Benton County, Oregon. It was built in 1987, so it is 38 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 563 vehicles a day, roughly 10% of them trucks, projected to reach 984 by 2040. The structure is 25 ft (7.6 m) long and 48 ft wide.

CarriesNW Elmwood Drive
CrossesDixon Creek
Location001 Mile W of NW 23rd ST
RouteCity Street 0
StateOregon
Coordinates44.58776, -123.27995
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic563 (2020)
Projected traffic984 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Elmwood Drive over Dixon Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is NW Elmwood Drive over Dixon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does NW Elmwood Drive over Dixon Creek carry?

About 563 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is NW Elmwood Drive over Dixon Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns NW Elmwood Drive over Dixon Creek?

It is owned by the City or Municipal Highway Agency.